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variable === undefined vs. typeof variable === “undefined”
...ation marks (typeof foo; // -> "undefined") to emphasise it is a string and not the primitive value undefined.
– c24w
Apr 19 '13 at 16:06
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How do you disable the unused variable warnings coming out of gcc in 3rd party code I do not wish to
... off unused variable warnings? I'm getting errors out of boost on windows and I do not want to touch the boost code:
9 Ans...
Changing the color of the axis, ticks and labels for a plot in matplotlib
I'd like to Change the color of the axis, as well as ticks and value-labels for a plot I did using matplotlib an PyQt.
3 An...
Core Data: Quickest way to delete all instances of an entity
...he full object model for, let's say, "Cars" - could be about 2000 of them (and I can't make the Web Service return anything less than 1 or ALL cars.
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Static classes and methods in coffeescript
...tor: () ->
@drawWorld: (world, context) -> alert 'World drawn!'
# And then draw your world...
Box2DUtility.drawWorld()
Demo: http://jsfiddle.net/ambiguous/5yPh7/
And if you want your drawWorld to act like a constructor then you can say new @ like this:
class Box2DUtility
constructor: ...
How to construct a relative path in Java from two absolute paths (or URLs)?
...java.nio.file.Path#relativize(Path), it just works with parent double-dots and all.
– Campa
Feb 12 '16 at 9:40
Conside...
How does @synchronized lock/unlock in Objective-C?
Does @synchronized not use "lock" and "unlock" to achieve mutual exclusion? How does it do lock/unlock then?
5 Answers
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Is there a benefit to defining a class inside another class in Python?
...Essentially, I have two classes that I'm modeling. A DownloadManager class and a DownloadThread class. The obvious OOP concept here is composition. However, composition doesn't necessarily mean nesting, right?
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Can jQuery get all CSS styles associated with an element?
Is there a way in jQuery to get all CSS from an existing element and apply it to another without listing them all?
5 Answer...
When should I write the keyword 'inline' for a function/method?
... unit but don't complain if it isn't defined. The linker will sort it out and make sure all the code that tried to use some extern symbol has its address.
inline - this function will be defined in multiple translation units, don't worry about it. The linker needs to make sure all translation units...